A hashtag of #JustinSunsSons is not going to get the mileage you think on Twitter. It's such a long tail and obscure hashtag. If there was a more broad hashtag and several journalists were tagged who cover the financial, sports and crypto spaces, it would have been much more impactful.
That hashtag means very little and the amount of traction it gets on Twitter is likely minute. Hashtags are used to tag in those looking for a particular topic or commenting on the same topic.
There's a ton of crypto hype/shilling/spam on Twitter, it will be buried with it. Although, it is more compelling than 99% of what is out there.
I wouldn't read too far into that. He's just being facetious.